- Compatible across the range of hole saws
- Various shank sizes 3/8 in or 1/2 drills
- Short pilot drills and arbors require a 3-1/16 in pilot bit
- Long pilot drills and arbors have a pass through shank
- Hex arbors with non-slit jaw slots are positive drive
- SDS arbors are used in tools having SDS chucks, to drive hole in rotary hammers or hammer drills
- Standard pilot arbor
![Weiler Drive Arbor 3/8" Diameter Arbor to 1/4" Stem (FA-2), 1 EA, #7726 Weiler Drive Arbor 3/8" Diameter Arbor to 1/4" Stem (FA-2), 1 EA, #7726](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/224455/319201/804-07726__54246.1590700540.jpg?c=2)